Home / 11,295.92-15,587.88-6,580.40

Finding the Fourth Proportional to 11,295.92, 15,587.88 and 6,580.40

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Solution

The fourth proportional to 11,295.92, 15,587.88 and 6,580.40 is: 9,080.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.92 : 15,587.88 = 6,580.40 : x
  2. Step 2: Convert to fraction form
    11,295.92/15,587.88 = 6,580.40/x
  3. Step 3: Cross multiply
    11,295.92x = 15,587.88 × 6,580.40
  4. Step 4: Simplify right side
    11,295.92x = 102,574,485.55
  5. Step 5: Solve for x
    x = 102,574,485.55/11,295.92
  6. Step 6: Final answer
    x = 9,080.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.